Which combination describes the flame color of the compound when heated?
That's not a question. But it is something resembling a true statement (though it's not phrased very well).
it turns purple when heated
Black
The color is red.
CHCl3 is a polar compound. it hasn't a color.
Not necessarily. Any combustible chemical, such as engineering polymers, will likely do that.
Talc don't change the color if heated.
No, sodium chloride is a very stable compound
That's not a question. But it is something resembling a true statement (though it's not phrased very well).
ferrous sulphate when it is heated it changes into red brown color
it turns purple when heated
Hazel describes a color. Hot pink describes a color. Harlequin describes a color.
Thermoschroism
Many gems are heated in order to improve their color or clarity.
Black
because its getting heatAn egg changes color and texture when heated due to a chemical change and the proteins escaping turning it solid and changing the color.
because its getting heatAn egg changes color and texture when heated due to a chemical change and the proteins escaping turning it solid and changing the color.